1. AKRO-PLASTIC GmbH
2. Arkema AG
3. Asahi Kasei Corporation
4. Avient Corporation
5. BASF SE
6. Cathay Biotech Inc.
7. Celanese Corporation
8. DuPont de Nemours Inc.
9. Evonik AG
10. Honeywell International Inc.
11. Indorama Mobility Group
12. Koninklijke DSM N.V.
13. Lanxess AG
14. Novamont S.p.A.
15. Solvay S.A.
16. Toray Industries Inc.